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                        自述
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                            <b>1.</b>
                        
                        介绍
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                            <b>1.1.</b>
                        
                        动机
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                            <b>1.2.</b>
                        
                        核心概念
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                            <b>1.3.</b>
                        
                        三大原则
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                            <b>1.4.</b>
                        
                        先前技术
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                            <b>1.5.</b>
                        
                        生态系统
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                            <b>1.6.</b>
                        
                        示例
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                            <b>2.</b>
                        
                        基础
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                            <b>2.1.</b>
                        
                        Action
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                            <b>2.2.</b>
                        
                        Reducer
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                            <b>2.3.</b>
                        
                        Store
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                            <b>2.4.</b>
                        
                        数据流
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                            <b>2.5.</b>
                        
                        搭配 React
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                            <b>2.6.</b>
                        
                        示例：Todo List
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                            <b>3.</b>
                        
                        高级
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                            <b>3.1.</b>
                        
                        异步 Action
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                            <b>3.2.</b>
                        
                        异步数据流
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                            <b>3.3.</b>
                        
                        Middleware
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                            <b>3.4.</b>
                        
                        搭配 React Router
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                            <b>3.5.</b>
                        
                        示例：Reddit API
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                            <b>3.6.</b>
                        
                        下一步
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                            <b>4.</b>
                        
                        技巧
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                            <b>4.1.</b>
                        
                        迁移到 Redux
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                            <b>4.2.</b>
                        
                        使用对象展开运算符
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                            <b>4.3.</b>
                        
                        减少样板代码
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                            <b>4.4.</b>
                        
                        服务端渲染
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                            <b>4.5.</b>
                        
                        编写测试
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        <li class="chapter " data-level="4.6" data-path="docs/recipes/ComputingDerivedData.html">
            
                
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                            <b>4.6.</b>
                        
                        计算衍生数据
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                            <b>4.7.</b>
                        
                        实现撤销重做
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        <li class="chapter " data-level="4.8" data-path="docs/recipes/IsolatingSubapps.html">
            
                
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                            <b>4.8.</b>
                        
                        子应用隔离
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        <li class="chapter " data-level="4.9" data-path="docs/recipes/StructuringReducers.html">
            
                
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                            <b>4.9.</b>
                        
                        组织 Reducer
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                            <b>4.9.1.</b>
                        
                        Reducer 基础概念
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        <li class="chapter " data-level="4.9.2" data-path="docs/recipes/reducers/BasicReducerStructure.html">
            
                
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                            <b>4.9.2.</b>
                        
                        Reducer 基础结构
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        <li class="chapter " data-level="4.9.3" data-path="docs/recipes/reducers/SplittingReducerLogic.html">
            
                
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                            <b>4.9.3.</b>
                        
                        Reducer 逻辑拆分
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        <li class="chapter " data-level="4.9.4" data-path="docs/recipes/reducers/RefactoringReducersExample.html">
            
                
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                            <b>4.9.4.</b>
                        
                        Reducer 重构示例
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        <li class="chapter " data-level="4.9.5" data-path="docs/recipes/reducers/UsingCombineReducers.html">
            
                
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                            <b>4.9.5.</b>
                        
                        `combineReducers` 用法
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        <li class="chapter " data-level="4.9.6" data-path="docs/recipes/reducers/BeyondCombineReducers.html">
            
                
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                            <b>4.9.6.</b>
                        
                        `combineReducers` 进阶
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        <li class="chapter " data-level="4.9.7" data-path="docs/recipes/reducers/NormalizingStateShape.html">
            
                
                    <a href="../../docs/recipes/reducers/NormalizingStateShape.html">
                
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                            <b>4.9.7.</b>
                        
                        State 范式化
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        <li class="chapter " data-level="4.9.8" data-path="docs/recipes/reducers/UpdatingNormalizedData.html">
            
                
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                            <b>4.9.8.</b>
                        
                        管理范式化数据
                    </a>
            
            
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        <li class="chapter " data-level="4.9.9" data-path="docs/recipes/reducers/ReusingReducerLogic.html">
            
                
                    <a href="../../docs/recipes/reducers/ReusingReducerLogic.html">
                
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                            <b>4.9.9.</b>
                        
                        Reducer 逻辑复用
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.9.10" data-path="docs/recipes/reducers/ImmutableUpdatePatterns.html">
            
                
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                            <b>4.9.10.</b>
                        
                        不可变更新模式
                    </a>
            
            
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        <li class="chapter " data-level="4.9.11" data-path="docs/recipes/reducers/InitializingState.html">
            
                
                    <a href="../../docs/recipes/reducers/InitializingState.html">
                
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                            <b>4.9.11.</b>
                        
                        初始化 State
                    </a>
            
            
        </li>
    

            </ul>
            
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            </ul>
            
        </li>
    
        <li class="chapter " data-level="5" data-path="docs/FAQ.html">
            
                
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                            <b>5.</b>
                        
                        常见问题
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        <li class="chapter " data-level="5.1" data-path="docs/faq/General.html">
            
                
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                            <b>5.1.</b>
                        
                        综合
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        <li class="chapter " data-level="5.2" data-path="docs/faq/Reducers.html">
            
                
                    <a href="../../docs/faq/Reducers.html">
                
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                            <b>5.2.</b>
                        
                        Reducer
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        <li class="chapter " data-level="5.3" data-path="docs/faq/OrganizingState.html">
            
                
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                            <b>5.3.</b>
                        
                        组织 State
                    </a>
            
            
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        <li class="chapter " data-level="5.4" data-path="docs/faq/StoreSetup.html">
            
                
                    <a href="../../docs/faq/StoreSetup.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.4.</b>
                        
                        创建 Store
                    </a>
            
            
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        <li class="chapter " data-level="5.5" data-path="docs/faq/Actions.html">
            
                
                    <a href="../../docs/faq/Actions.html">
                
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                            <b>5.5.</b>
                        
                        Action
                    </a>
            
            
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        <li class="chapter " data-level="5.6" data-path="docs/faq/CodeStructure.html">
            
                
                    <a href="../../docs/faq/CodeStructure.html">
                
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                            <b>5.6.</b>
                        
                        代码结构
                    </a>
            
            
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        <li class="chapter " data-level="5.7" data-path="docs/faq/Performance.html">
            
                
                    <a href="../../docs/faq/Performance.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.7.</b>
                        
                        性能
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        <li class="chapter " data-level="5.8" data-path="docs/faq/ReactRedux.html">
            
                
                    <a href="../../docs/faq/ReactRedux.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.8.</b>
                        
                        React Redux
                    </a>
            
            
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        <li class="chapter " data-level="5.9" data-path="docs/faq/Miscellaneous.html">
            
                
                    <a href="../../docs/faq/Miscellaneous.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.9.</b>
                        
                        其它
                    </a>
            
            
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            </ul>
            
        </li>
    
        <li class="chapter " data-level="6" data-path="docs/Troubleshooting.html">
            
                
                    <a href="../../docs/Troubleshooting.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>6.</b>
                        
                        排错
                    </a>
            
            
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        <li class="chapter " data-level="7" data-path="docs/Glossary.html">
            
                
                    <a href="../../docs/Glossary.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>7.</b>
                        
                        词汇表
                    </a>
            
            
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        <li class="chapter " data-level="8" data-path="docs/api/index.html">
            
                
                    <a href="../../docs/api/index.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>8.</b>
                        
                        API 文档
                    </a>
            
            
            <ul class="articles">
                
    
        <li class="chapter " data-level="8.1" data-path="docs/api/createStore.html">
            
                
                    <a href="../../docs/api/createStore.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>8.1.</b>
                        
                        createStore
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="8.2" data-path="docs/api/Store.html">
            
                
                    <a href="../../docs/api/Store.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>8.2.</b>
                        
                        Store
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="8.3" data-path="docs/api/combineReducers.html">
            
                
                    <a href="../../docs/api/combineReducers.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>8.3.</b>
                        
                        combineReducers
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="8.4" data-path="docs/api/applyMiddleware.html">
            
                
                    <a href="../../docs/api/applyMiddleware.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>8.4.</b>
                        
                        applyMiddleware
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="8.5" data-path="docs/api/bindActionCreators.html">
            
                
                    <a href="../../docs/api/bindActionCreators.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>8.5.</b>
                        
                        bindActionCreators
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="8.6" data-path="docs/api/compose.html">
            
                
                    <a href="../../docs/api/compose.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>8.6.</b>
                        
                        compose
                    </a>
            
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="9" data-path="docs/react-redux/index.html">
            
                
                    <a href="../../docs/react-redux/index.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>9.</b>
                        
                        react-redux 文档
                    </a>
            
            
            <ul class="articles">
                
    
        <li class="chapter " data-level="9.1" data-path="docs/react-redux/api.html">
            
                
                    <a href="../../docs/react-redux/api.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>9.1.</b>
                        
                        API
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="9.2" data-path="docs/react-redux/troubleshooting.html">
            
                
                    <a href="../../docs/react-redux/troubleshooting.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>9.2.</b>
                        
                        排错
                    </a>
            
            
        </li>
    

            </ul>
            
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                    <section class="normal" id="section-">
                    
                        <a id="edit-link" href="https://github.com/camsong/redux-in-chinese/tree/master/docs/basics/Actions.md" class="btn fa fa-edit pull-left">&#xA0;&#xA0;&#x5F00;&#x59CB;&#x7EA0;&#x9519;</a><h1 id="action">Action</h1>
<p>&#x9996;&#x5148;&#xFF0C;&#x8BA9;&#x6211;&#x4EEC;&#x6765;&#x7ED9; action &#x4E0B;&#x4E2A;&#x5B9A;&#x4E49;&#x3002;</p>
<p><strong>Action</strong> &#x662F;&#x628A;&#x6570;&#x636E;&#x4ECE;&#x5E94;&#x7528;&#xFF08;&#x8BD1;&#x8005;&#x6CE8;&#xFF1A;&#x8FD9;&#x91CC;&#x4E4B;&#x6240;&#x4EE5;&#x4E0D;&#x53EB; view &#x662F;&#x56E0;&#x4E3A;&#x8FD9;&#x4E9B;&#x6570;&#x636E;&#x6709;&#x53EF;&#x80FD;&#x662F;&#x670D;&#x52A1;&#x5668;&#x54CD;&#x5E94;&#xFF0C;&#x7528;&#x6237;&#x8F93;&#x5165;&#x6216;&#x5176;&#x5B83;&#x975E; view &#x7684;&#x6570;&#x636E; &#xFF09;&#x4F20;&#x5230; store &#x7684;&#x6709;&#x6548;&#x8F7D;&#x8377;&#x3002;&#x5B83;&#x662F; store &#x6570;&#x636E;&#x7684;<strong>&#x552F;&#x4E00;</strong>&#x6765;&#x6E90;&#x3002;&#x4E00;&#x822C;&#x6765;&#x8BF4;&#x4F60;&#x4F1A;&#x901A;&#x8FC7; <a href="../api/Store.html#dispatch"><code>store<span class="token punctuation">.</span><span class="token function">dispatch</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code></a> &#x5C06; action &#x4F20;&#x5230; store&#x3002;</p>
<p>&#x6DFB;&#x52A0;&#x65B0; todo &#x4EFB;&#x52A1;&#x7684; action &#x662F;&#x8FD9;&#x6837;&#x7684;&#xFF1A;</p>
<pre><code class="lang-js"><span class="token keyword">const</span> ADD_TODO <span class="token operator">=</span> <span class="token string">&apos;ADD_TODO&apos;</span>
</code></pre>
<pre><code class="lang-js"><span class="token punctuation">{</span>
  type<span class="token punctuation">:</span> ADD_TODO<span class="token punctuation">,</span>
  text<span class="token punctuation">:</span> <span class="token string">&apos;Build my first Redux app&apos;</span>
<span class="token punctuation">}</span>
</code></pre>
<p>Action &#x672C;&#x8D28;&#x4E0A;&#x662F; JavaScript &#x666E;&#x901A;&#x5BF9;&#x8C61;&#x3002;&#x6211;&#x4EEC;&#x7EA6;&#x5B9A;&#xFF0C;action &#x5185;&#x5FC5;&#x987B;&#x4F7F;&#x7528;&#x4E00;&#x4E2A;&#x5B57;&#x7B26;&#x4E32;&#x7C7B;&#x578B;&#x7684; <code>type</code> &#x5B57;&#x6BB5;&#x6765;&#x8868;&#x793A;&#x5C06;&#x8981;&#x6267;&#x884C;&#x7684;&#x52A8;&#x4F5C;&#x3002;&#x591A;&#x6570;&#x60C5;&#x51B5;&#x4E0B;&#xFF0C;<code>type</code> &#x4F1A;&#x88AB;&#x5B9A;&#x4E49;&#x6210;&#x5B57;&#x7B26;&#x4E32;&#x5E38;&#x91CF;&#x3002;&#x5F53;&#x5E94;&#x7528;&#x89C4;&#x6A21;&#x8D8A;&#x6765;&#x8D8A;&#x5927;&#x65F6;&#xFF0C;&#x5EFA;&#x8BAE;&#x4F7F;&#x7528;&#x5355;&#x72EC;&#x7684;&#x6A21;&#x5757;&#x6216;&#x6587;&#x4EF6;&#x6765;&#x5B58;&#x653E; action&#x3002;</p>
<pre><code class="lang-js"><span class="token keyword">import</span> <span class="token punctuation">{</span> ADD_TODO<span class="token punctuation">,</span> REMOVE_TODO <span class="token punctuation">}</span> from <span class="token string">&apos;../actionTypes&apos;</span>
</code></pre>
<blockquote>
<h5 id="%E6%A0%B7%E6%9D%BF%E6%96%87%E4%BB%B6%E4%BD%BF%E7%94%A8%E6%8F%90%E9%86%92">&#x6837;&#x677F;&#x6587;&#x4EF6;&#x4F7F;&#x7528;&#x63D0;&#x9192;</h5>
<p>&#x4F7F;&#x7528;&#x5355;&#x72EC;&#x7684;&#x6A21;&#x5757;&#x6216;&#x6587;&#x4EF6;&#x6765;&#x5B9A;&#x4E49; action type &#x5E38;&#x91CF;&#x5E76;&#x4E0D;&#x662F;&#x5FC5;&#x987B;&#x7684;&#xFF0C;&#x751A;&#x81F3;&#x6839;&#x672C;&#x4E0D;&#x9700;&#x8981;&#x5B9A;&#x4E49;&#x3002;&#x5BF9;&#x4E8E;&#x5C0F;&#x5E94;&#x7528;&#x6765;&#x8BF4;&#xFF0C;&#x4F7F;&#x7528;&#x5B57;&#x7B26;&#x4E32;&#x505A; action type &#x66F4;&#x65B9;&#x4FBF;&#x4E9B;&#x3002;&#x4E0D;&#x8FC7;&#xFF0C;&#x5728;&#x5927;&#x578B;&#x5E94;&#x7528;&#x4E2D;&#x628A;&#x5B83;&#x4EEC;&#x663E;&#x5F0F;&#x5730;&#x5B9A;&#x4E49;&#x6210;&#x5E38;&#x91CF;&#x8FD8;&#x662F;&#x5229;&#x5927;&#x4E8E;&#x5F0A;&#x7684;&#x3002;&#x53C2;&#x7167; <a href="../recipes/ReducingBoilerplate.html">&#x51CF;&#x5C11;&#x6837;&#x677F;&#x4EE3;&#x7801;</a> &#x83B7;&#x53D6;&#x66F4;&#x591A;&#x4FDD;&#x6301;&#x4EE3;&#x7801;&#x7B80;&#x6D01;&#x7684;&#x5B9E;&#x8DF5;&#x7ECF;&#x9A8C;&#x3002;</p>
</blockquote>
<p>&#x9664;&#x4E86; <code>type</code> &#x5B57;&#x6BB5;&#x5916;&#xFF0C;action &#x5BF9;&#x8C61;&#x7684;&#x7ED3;&#x6784;&#x5B8C;&#x5168;&#x7531;&#x4F60;&#x81EA;&#x5DF1;&#x51B3;&#x5B9A;&#x3002;&#x53C2;&#x7167; <a href="https://github.com/acdlite/flux-standard-action" target="_blank">Flux &#x6807;&#x51C6; Action</a> &#x83B7;&#x53D6;&#x5173;&#x4E8E;&#x5982;&#x4F55;&#x6784;&#x9020; action &#x7684;&#x5EFA;&#x8BAE;&#x3002;</p>
<p>&#x8FD9;&#x65F6;&#xFF0C;&#x6211;&#x4EEC;&#x8FD8;&#x9700;&#x8981;&#x518D;&#x6DFB;&#x52A0;&#x4E00;&#x4E2A; action type &#x6765;&#x8868;&#x793A;&#x7528;&#x6237;&#x5B8C;&#x6210;&#x4EFB;&#x52A1;&#x7684;&#x52A8;&#x4F5C;&#x3002;&#x56E0;&#x4E3A;&#x6570;&#x636E;&#x662F;&#x5B58;&#x653E;&#x5728;&#x6570;&#x7EC4;&#x4E2D;&#x7684;&#xFF0C;&#x6240;&#x4EE5;&#x6211;&#x4EEC;&#x901A;&#x8FC7;&#x4E0B;&#x6807; <code>index</code> &#x6765;&#x5F15;&#x7528;&#x7279;&#x5B9A;&#x7684;&#x4EFB;&#x52A1;&#x3002;&#x800C;&#x5B9E;&#x9645;&#x9879;&#x76EE;&#x4E2D;&#x4E00;&#x822C;&#x4F1A;&#x5728;&#x65B0;&#x5EFA;&#x6570;&#x636E;&#x7684;&#x65F6;&#x5019;&#x751F;&#x6210;&#x552F;&#x4E00;&#x7684; ID &#x4F5C;&#x4E3A;&#x6570;&#x636E;&#x7684;&#x5F15;&#x7528;&#x6807;&#x8BC6;&#x3002;</p>
<pre><code class="lang-js"><span class="token punctuation">{</span>
  type<span class="token punctuation">:</span> TOGGLE_TODO<span class="token punctuation">,</span>
  index<span class="token punctuation">:</span> <span class="token number">5</span>
<span class="token punctuation">}</span>
</code></pre>
<p><strong>&#x6211;&#x4EEC;&#x5E94;&#x8BE5;&#x5C3D;&#x91CF;&#x51CF;&#x5C11;&#x5728; action &#x4E2D;&#x4F20;&#x9012;&#x7684;&#x6570;&#x636E;</strong>&#x3002;&#x6BD4;&#x5982;&#x4E0A;&#x9762;&#x7684;&#x4F8B;&#x5B50;&#xFF0C;&#x4F20;&#x9012; <code>index</code> &#x5C31;&#x6BD4;&#x628A;&#x6574;&#x4E2A;&#x4EFB;&#x52A1;&#x5BF9;&#x8C61;&#x4F20;&#x8FC7;&#x53BB;&#x8981;&#x597D;&#x3002;</p>
<p>&#x6700;&#x540E;&#xFF0C;&#x518D;&#x6DFB;&#x52A0;&#x4E00;&#x4E2A; action type &#x6765;&#x8868;&#x793A;&#x5F53;&#x524D;&#x7684;&#x4EFB;&#x52A1;&#x5C55;&#x793A;&#x9009;&#x9879;&#x3002;</p>
<pre><code class="lang-js"><span class="token punctuation">{</span>
  type<span class="token punctuation">:</span> SET_VISIBILITY_FILTER<span class="token punctuation">,</span>
  filter<span class="token punctuation">:</span> SHOW_COMPLETED
<span class="token punctuation">}</span>
</code></pre>
<h2 id="action-%E5%88%9B%E5%BB%BA%E5%87%BD%E6%95%B0">Action &#x521B;&#x5EFA;&#x51FD;&#x6570;</h2>
<p><strong>Action &#x521B;&#x5EFA;&#x51FD;&#x6570;</strong> &#x5C31;&#x662F;&#x751F;&#x6210; action &#x7684;&#x65B9;&#x6CD5;&#x3002;&#x201C;action&#x201D; &#x548C; &#x201C;action &#x521B;&#x5EFA;&#x51FD;&#x6570;&#x201D; &#x8FD9;&#x4E24;&#x4E2A;&#x6982;&#x5FF5;&#x5F88;&#x5BB9;&#x6613;&#x6DF7;&#x5728;&#x4E00;&#x8D77;&#xFF0C;&#x4F7F;&#x7528;&#x65F6;&#x6700;&#x597D;&#x6CE8;&#x610F;&#x533A;&#x5206;&#x3002;</p>
<p>&#x5728; Redux &#x4E2D;&#x7684; action &#x521B;&#x5EFA;&#x51FD;&#x6570;&#x53EA;&#x662F;&#x7B80;&#x5355;&#x7684;&#x8FD4;&#x56DE;&#x4E00;&#x4E2A; action:</p>
<pre><code class="lang-js"><span class="token keyword">function</span> <span class="token function">addTodo</span><span class="token punctuation">(</span>text<span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> <span class="token punctuation">{</span>
    type<span class="token punctuation">:</span> ADD_TODO<span class="token punctuation">,</span>
    text
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre>
<p>&#x8FD9;&#x6837;&#x505A;&#x5C06;&#x4F7F; action &#x521B;&#x5EFA;&#x51FD;&#x6570;&#x66F4;&#x5BB9;&#x6613;&#x88AB;&#x79FB;&#x690D;&#x548C;&#x6D4B;&#x8BD5;&#x3002;</p>
<p>&#x5728; <a href="http://facebook.github.io/flux" target="_blank">&#x4F20;&#x7EDF;&#x7684; Flux</a> &#x5B9E;&#x73B0;&#x4E2D;&#xFF0C;&#x5F53;&#x8C03;&#x7528; action &#x521B;&#x5EFA;&#x51FD;&#x6570;&#x65F6;&#xFF0C;&#x4E00;&#x822C;&#x4F1A;&#x89E6;&#x53D1;&#x4E00;&#x4E2A; dispatch&#xFF0C;&#x50CF;&#x8FD9;&#x6837;&#xFF1A;</p>
<pre><code class="lang-js"><span class="token keyword">function</span> <span class="token function">addTodoWithDispatch</span><span class="token punctuation">(</span>text<span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">const</span> action <span class="token operator">=</span> <span class="token punctuation">{</span>
    type<span class="token punctuation">:</span> ADD_TODO<span class="token punctuation">,</span>
    text
  <span class="token punctuation">}</span>
  <span class="token function">dispatch</span><span class="token punctuation">(</span>action<span class="token punctuation">)</span>
<span class="token punctuation">}</span>
</code></pre>
<p>&#x4E0D;&#x540C;&#x7684;&#x662F;&#xFF0C;Redux &#x4E2D;&#x53EA;&#x9700;&#x628A; action &#x521B;&#x5EFA;&#x51FD;&#x6570;&#x7684;&#x7ED3;&#x679C;&#x4F20;&#x7ED9; <code><span class="token function">dispatch</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code> &#x65B9;&#x6CD5;&#x5373;&#x53EF;&#x53D1;&#x8D77;&#x4E00;&#x6B21; dispatch &#x8FC7;&#x7A0B;&#x3002;</p>
<pre><code class="lang-js"><span class="token function">dispatch</span><span class="token punctuation">(</span><span class="token function">addTodo</span><span class="token punctuation">(</span>text<span class="token punctuation">)</span><span class="token punctuation">)</span>
<span class="token function">dispatch</span><span class="token punctuation">(</span><span class="token function">completeTodo</span><span class="token punctuation">(</span>index<span class="token punctuation">)</span><span class="token punctuation">)</span>
</code></pre>
<p>&#x6216;&#x8005;&#x521B;&#x5EFA;&#x4E00;&#x4E2A; <strong>&#x88AB;&#x7ED1;&#x5B9A;&#x7684; action &#x521B;&#x5EFA;&#x51FD;&#x6570;</strong> &#x6765;&#x81EA;&#x52A8; dispatch&#xFF1A;</p>
<pre><code class="lang-js"><span class="token keyword">const</span> boundAddTodo <span class="token operator">=</span> <span class="token punctuation">(</span>text<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token function">dispatch</span><span class="token punctuation">(</span><span class="token function">addTodo</span><span class="token punctuation">(</span>text<span class="token punctuation">)</span><span class="token punctuation">)</span>
<span class="token keyword">const</span> boundCompleteTodo <span class="token operator">=</span> <span class="token punctuation">(</span>index<span class="token punctuation">)</span> <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token function">dispatch</span><span class="token punctuation">(</span><span class="token function">completeTodo</span><span class="token punctuation">(</span>index<span class="token punctuation">)</span><span class="token punctuation">)</span>
</code></pre>
<p>&#x7136;&#x540E;&#x76F4;&#x63A5;&#x8C03;&#x7528;&#x5B83;&#x4EEC;&#xFF1A;</p>
<pre><code><span class="token function">boundAddTodo</span><span class="token punctuation">(</span>text<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">boundCompleteTodo</span><span class="token punctuation">(</span>index<span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre><p>store &#x91CC;&#x80FD;&#x76F4;&#x63A5;&#x901A;&#x8FC7; <a href="../api/Store.html#dispatch"><code>store<span class="token punctuation">.</span><span class="token function">dispatch</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code></a> &#x8C03;&#x7528; <code><span class="token function">dispatch</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code> &#x65B9;&#x6CD5;&#xFF0C;&#x4F46;&#x662F;&#x591A;&#x6570;&#x60C5;&#x51B5;&#x4E0B;&#x4F60;&#x4F1A;&#x4F7F;&#x7528; <a href="http://github.com/gaearon/react-redux" target="_blank">react-redux</a> &#x63D0;&#x4F9B;&#x7684; <code><span class="token function">connect</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code> &#x5E2E;&#x52A9;&#x5668;&#x6765;&#x8C03;&#x7528;&#x3002;<a href="../api/bindActionCreators.html"><code><span class="token function">bindActionCreators</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code></a> &#x53EF;&#x4EE5;&#x81EA;&#x52A8;&#x628A;&#x591A;&#x4E2A; action &#x521B;&#x5EFA;&#x51FD;&#x6570; &#x7ED1;&#x5B9A;&#x5230; <code><span class="token function">dispatch</span><span class="token punctuation">(</span><span class="token punctuation">)</span></code> &#x65B9;&#x6CD5;&#x4E0A;&#x3002;</p>
<p>Action &#x521B;&#x5EFA;&#x51FD;&#x6570;&#x4E5F;&#x53EF;&#x4EE5;&#x662F;&#x5F02;&#x6B65;&#x975E;&#x7EAF;&#x51FD;&#x6570;&#x3002;&#x4F60;&#x53EF;&#x4EE5;&#x901A;&#x8FC7;&#x9605;&#x8BFB; <a href="../advanced/index.html">&#x9AD8;&#x7EA7;&#x6559;&#x7A0B;</a> &#x4E2D;&#x7684; <a href="../advanced/AsyncActions.html">&#x5F02;&#x6B65; action</a>&#x7AE0;&#x8282;&#xFF0C;&#x5B66;&#x4E60;&#x5982;&#x4F55;&#x5904;&#x7406; AJAX &#x54CD;&#x5E94;&#x548C;&#x5982;&#x4F55;&#x628A; action &#x521B;&#x5EFA;&#x51FD;&#x6570;&#x7EC4;&#x5408;&#x8FDB;&#x5F02;&#x6B65;&#x63A7;&#x5236;&#x6D41;&#x3002;&#x56E0;&#x4E3A;&#x57FA;&#x7840;&#x6559;&#x7A0B;&#x4E2D;&#x5305;&#x542B;&#x4E86;&#x9605;&#x8BFB;&#x9AD8;&#x7EA7;&#x6559;&#x7A0B;&#x548C;&#x5F02;&#x6B65; action &#x7AE0;&#x8282;&#x6240;&#x9700;&#x8981;&#x7684;&#x4E00;&#x4E9B;&#x91CD;&#x8981;&#x57FA;&#x7840;&#x6982;&#x5FF5;, &#x6240;&#x4EE5;&#x8BF7;&#x5728;&#x79FB;&#x6B65;&#x5F02;&#x6B65; action &#x4E4B;&#x524D;, &#x52A1;&#x5FC5;&#x5148;&#x5B8C;&#x6210;&#x57FA;&#x7840;&#x6559;&#x7A0B;&#x3002;</p>
<h2 id="%E6%BA%90%E7%A0%81">&#x6E90;&#x7801;</h2>
<h3 id="-actions-js"><code>actions<span class="token punctuation">.</span>js</code></h3>
<pre><code class="lang-js"><span class="token comment" spellcheck="true">/*
 * action &#x7C7B;&#x578B;
 */</span>

<span class="token keyword">export</span> <span class="token keyword">const</span> ADD_TODO <span class="token operator">=</span> <span class="token string">&apos;ADD_TODO&apos;</span><span class="token punctuation">;</span>
<span class="token keyword">export</span> <span class="token keyword">const</span> TOGGLE_TODO <span class="token operator">=</span> <span class="token string">&apos;TOGGLE_TODO&apos;</span>
<span class="token keyword">export</span> <span class="token keyword">const</span> SET_VISIBILITY_FILTER <span class="token operator">=</span> <span class="token string">&apos;SET_VISIBILITY_FILTER&apos;</span>

<span class="token comment" spellcheck="true">/*
 * &#x5176;&#x5B83;&#x7684;&#x5E38;&#x91CF;
 */</span>

<span class="token keyword">export</span> <span class="token keyword">const</span> VisibilityFilters <span class="token operator">=</span> <span class="token punctuation">{</span>
  SHOW_ALL<span class="token punctuation">:</span> <span class="token string">&apos;SHOW_ALL&apos;</span><span class="token punctuation">,</span>
  SHOW_COMPLETED<span class="token punctuation">:</span> <span class="token string">&apos;SHOW_COMPLETED&apos;</span><span class="token punctuation">,</span>
  SHOW_ACTIVE<span class="token punctuation">:</span> <span class="token string">&apos;SHOW_ACTIVE&apos;</span>
<span class="token punctuation">}</span>

<span class="token comment" spellcheck="true">/*
 * action &#x521B;&#x5EFA;&#x51FD;&#x6570;
 */</span>

<span class="token keyword">export</span> <span class="token keyword">function</span> <span class="token function">addTodo</span><span class="token punctuation">(</span>text<span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> <span class="token punctuation">{</span> type<span class="token punctuation">:</span> ADD_TODO<span class="token punctuation">,</span> text <span class="token punctuation">}</span>
<span class="token punctuation">}</span>

<span class="token keyword">export</span> <span class="token keyword">function</span> <span class="token function">toggleTodo</span><span class="token punctuation">(</span>index<span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> <span class="token punctuation">{</span> type<span class="token punctuation">:</span> TOGGLE_TODO<span class="token punctuation">,</span> index <span class="token punctuation">}</span>
<span class="token punctuation">}</span>

<span class="token keyword">export</span> <span class="token keyword">function</span> <span class="token function">setVisibilityFilter</span><span class="token punctuation">(</span>filter<span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> <span class="token punctuation">{</span> type<span class="token punctuation">:</span> SET_VISIBILITY_FILTER<span class="token punctuation">,</span> filter <span class="token punctuation">}</span>
<span class="token punctuation">}</span>
</code></pre>
<h2 id="%E4%B8%8B%E4%B8%80%E6%AD%A5">&#x4E0B;&#x4E00;&#x6B65;</h2>
<p>&#x73B0;&#x5728;&#x8BA9;&#x6211;&#x4EEC; <a href="Reducers.html">&#x5F00;&#x53D1;&#x4E00;&#x4E9B; reducers</a> &#x6765;&#x8BF4;&#x660E;&#x5728;&#x53D1;&#x8D77; action &#x540E; state &#x5E94;&#x8BE5;&#x5982;&#x4F55;&#x66F4;&#x65B0;&#x3002;</p>

                    
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